A narrow flexible connection restricts a large terminal.
The twelve-inch bore provides a larger airflow passage.
A twelve-inch bore provides a broad flexible air path beneath the insulated jacket. This larger size is intended for terminal connections with greater airflow requirements, using the same reinforced liner arrangement while carrying a different positive-pressure limit from the smaller sizes.
| Nominal Bore | 305 mm (12 in) |
|---|---|
| Standard Supplied Length | 7.62 m |
| Insulation | R-8 fiberglass blanket |
| Liner Construction | Coated woven fiberglass |
| Wire Reinforcement | Coated spring-steel helix |
| Jacket Material | Reinforced metallized film laminate |
| Temperature Limits | −20 to +250 °F |
| Maximum Positive Pressure | 10 in. w.g. |
| Maximum Negative Pressure | 2 in. w.g. |
| التخصيص | Available for high-capacity terminal layouts and the intended environment. |
The twelve-inch bore provides a larger airflow passage.
Adequate support and a broad bend preserve the selected internal opening.
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